Table 3.

UV–Vis spectra and magnetic moments values of the ligand and its metal complexes.

Complex	Vmax (nm)	Assignment	µeff. (BM)
Ligand (poly-AG/CTR/CAR)	24.213	n→π*	-
	39.215	π→π*
[Mn(AG/CTR/CAR)(H2O)2]	29.761	n→π*	5.72
	35.842	π→π*
	21.551	d–d transition
[Fe(AG/CTR/CAR)(H2O)3Cl]	29.411	n→π*	5.92
	32.573	π→π*
	21.598	d–d transition
[Ni(AG/CTR/CAR)(H2O)2]	23.202	n→π*	2.20
	34.072	π→π*
	21.978	d–d transition
[Cu(AG/CTR/CAR)(H2O)2]	24,331	n→π*	1.84
	36,221	π→π*
	21,739	d–d transition